OpenTomb

Uses a terrain generator to create optimized collision meshes from floordata, overcoming original engine limitations for more fluid movement.

Supports variable frame rates beyond the original 30fps cap, enabling smoother animations and gameplay on modern hardware.

Implements a Lua engine for entity functionality, allowing mods and extensions without recompiling the core engine, as highlighted in the features section.

Runs on Windows, macOS, and Linux with potential for future ports, ensuring longevity on modern systems as stated in the supported platforms.